Yes, you read that correctly. Comets may have helped seed life on Earth. Far out, right? Sarah Everts of C&EN has the chemical clues that back up this out-of-this-world hypothesis. Credit: Reactions/American Chemical Society
How do astronauts survive the deadly radiation of deep space? NASA is still figuring out how to protect astronauts from cosmic radiation using plastic shielding and magnetic deflectors. Credit: Reactions/American Chemical Society
This animation explains that fractals are self-similar geometrical objects at different scales and magnifications and shows how fractals can be generated by applying simple mathematical rules repetitively.